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A Case Report of Infratemporal Fossa Hydatid Cyst, an Unusual Location
Shervin Sharifkashany,Fatemeh Khanali
Iranian Journal of Radiology , 2009,
Abstract: "nIntroduction: Hydatid disease has a high incidence in the countries of the temperate zone such as Iran. Only few cases in the head and neck region have been reported in literature. We described a rare case of infratemporal fossa echinococcus granulosus in a thirteen-year-old girl from an endemic area (Dashte Moghan) in Iran. "nClinical findings: A thirteen-year-old girl with a right sided frozen eye and facial swelling was admitted in our hospital. In the obtained CT scan there was a cyst in the right infratemporal area. She had a past history of brain hydatid cyst. The cyst was resected and the histological diagnosis was hydatid cyst. The liver was not affected in this patient. "nConclusion: Infratemporal fossa is a rare location for hydatid disease and we should consider the diagnosis for any cystic lesion of the infratemporal fossa in an endemic area.
A rare complication following maxillary third molar extraction: infratemporal fossa abscess
S?d?ka Sinem Soydan,Burak Bayram,G?rkem Müftüo?lu
Cumhuriyet Dental Journal , 2012, DOI: 10.7126/cdj.2012.1599
Abstract: Infratemporal fossa abscess formation is a very rare and life threatening condition and also its differential diagnosis is a very difficult process. Infratemporal fossa abscess following the non-infected, asymptomatic, erupted maxillary third molar extraction in a young and healthy patient is an unexpected and unusual complication. A 25 years old, male patient with a significant infratemporal fossa abscess and his treatment protocol was presented in this case report.
Progressive tumefactive fibroinflammatory lesion of the infratemporal fossa treated by radiation therapy  [cached]
Frank J.P. Hoebers,Bayardo Perez Ordonez,Jon Irish,Rand E. Simpson
Rare Tumors , 2012, DOI: 10.4081/rt.2012.e12
Abstract: Tumefactive fibroinflammatory lesion (TFIL) is a rare benign tumor in the head and neck region. We present a case of a 40-year-old female with a benign but progressive lesion of the infratemporal fossa, which was diagnosed as TFIL. Patient responded briefly to a course of steroid treatment but eventually showed progression and was unresponsive to further steroids. She was then treated with external beam radiation to a dose of 60 Gy in 30 fractions. After radiation a slow, gradual decrease in tumor size was noted over the course of years and she is free of disease after more than 11 years of follow-up. The major longterm side effect this patient developed was an expected unilateral radiation-induced retinopathy, due to the close proximity of the lesion to the orbit. The dilemma of treatment of benign disease with radiation with potential long-term complications is discussed and a review of the literature on TFIL is presented.
Infratemporal Fossa Fasciae: Anatomical and Clinical-Surgical Study.  [PDF]
Menéndez, José María,Blanco, Luis Antonio,álvarez Escalante, Agustín Pablo,Pattarone, Gisela Romina
Revista Argentina de Anatomia Online , 2012,
Abstract: The lack of thoroughness that characterizes the anatomical description of pterygo-temporo-mandibular and interpterygoid fasciae is indisputable; this shortcoming is not only found in classical but also in contemporary bibliography. Likewise, these are not contemplated in International Anatomical Terminology. This paper aims to provide a detailed description of the aforementioned fasciae and the ligaments that depend of them, thus as the bony bridges. Similarly, a correlation among these anatomical structures and trigeminal neuralgia will be developed, placing particular emphasis on its role as the possible etiological agents. In the process of performing this task, skulls (n=200), cadavers without previous fixing (n=10) and cadavers fixed in a 5% aqueous formaldehyde solution (n=20) were used. Following a standardized procedure, using appropriate instrumental and magnifying devices, the dissections were performed. It should be stressed that both, conventional and unconventional approaches, were executed. During each stage of this research pertinent photographic recording was taken. The distinctive anatomical characteristics of these fasciae have been precisely exhibited, detailing its shapes, limits, insertions and relations within infratemporal fossa. A meticulous description of pterygoalar and pterygospinosous ligament was attained and its relations with the colateral branches of mandibular nerve bear special highlighting. Indeed, the role played by these ligaments in the constitution of bony bridges surrounding the oval foramen was widely analyzed. After profound reflexion on the obtained results, a thorough description of pterygo-temporo-mandibular and interpterygoid fasciae and its ligaments was achieved allowing to drawing a parallel between its disposition in the infratemporal fossa and its possible ossification and the compression the nervous branches might undergo so that a trigeminal neuralgia befalls.
Large Foreign Body in the Nasal Cavity, Maxillary Sinus and Infratemporal Fossa—Atypical Presentation  [PDF]
Subrat Kumar Behera, Niranjan Mishra, Sharath Govindappa
International Journal of Otolaryngology and Head & Neck Surgery (IJOHNS) , 2014, DOI: 10.4236/ijohns.2014.36066
Abstract: A 59-year-old male presented with complaints of trismus and discharge of altered blood from nose for 1 year. Patient had a history of facial trauma one year back. Nasal endoscopy and CT scan revealed a foreign body lodged in posterior half of both nasal cavity, left maxillary sinus and left infratemporal fossa penetrating the walls of maxillary sinus and nasal septum. Foreign body was removed by infratemporal fossa approach. This case has a rare location of a forgotten foreign body with atypical presentation.
Mesenchymal Chondrosarcoma of the Infratemporal Fossa—A Rare Case Report  [PDF]
Shalender Sharma, J. K. Dayashankara Rao, Harsh Jain, Kaberi Majumder, Neelima Gehlot
International Journal of Clinical Medicine (IJCM) , 2014, DOI: 10.4236/ijcm.2014.56047

Chondrosarcoma is a malignant neoplasm that results in abnormal bone and cartilage growth. Although Chondrosarcoma is rare, it is the second most common primary bone malignancy. Mesenchymal Chondrosarcoma (MCS) is a rare histological variant of Chondrosarcoma (CS) that accounts for only 1% of all CS and has high predilection for the head and neck region with a peak incidence in 2nd and 3rd decade of life. There is comparable male to female ratio with two thirds of the cases arising from bone and one third from soft tissue. The tumor is unique because of its aggressive growth with a high tendency for late recurrence and delayed metastasis. We present a case of this highly malignant lesion arising from the infratemporal fossa and rapidly involving maxillary tuberosity and mandibular ramus.

Congenital cholesteatoma of the infratemporal fossa with congenital aural atresia and mastoiditis: a case report
Mosaad Abdel-Aziz
BMC Ear, Nose and Throat Disorders , 2012, DOI: 10.1186/1472-6815-12-6
Abstract: A sixteen year old Egyptian male patient presented with congenital cholesteatoma of the infratemporal fossa with congenital aural atresia complicated with acute mastoiditis. Two weeks earlier, the patient suffered pain necessitating hospital admission, magnetic resonance imaging revealed a soft tissue mass in the right infratemporal fossa. On presentation to our institute, Computerized tomography was done as a routine, it proved the diagnosis of mastoiditis, pure tone audiometry showed an air-bone gap of 60 dB. Cortical mastoidectomy was done for treatment of mastoiditis, removal of congenital cholesteatoma was carried out with reconstruction of external auditory canal. Follow-up of the patient for 2 years and 3 months showed a patent, infection free external auditory canal with an air-bone gap has been reduced to 35db. One year after the operation; MRI was done and it showed no residual or recurrent cholesteatoma.Congenital cholesteatoma of the infratemporal fossa in cases of congenital aural atresia can be managed safely even if it was associated with mastoiditis. It is an original case report of interest to the speciality of otolaryngology.
Schwannoma trigeminal intracraneal con extensión a la fosa infratemporal, espacio parafaríngeo, órbita, seno maxilar y fosa nasal: A propósito de un caso Intracraneal trigeminal schwannoma with extension to infratemporal fossa, parapharingeal space, orbit, maxillary sinus and nasal fossa  [cached]
J.A. Santos-Franco,A. Barragán,R. Mercado-Pimentel,I. Ortiz-Velásquez
Neurocirugía , 2005,
Abstract: Los schwannomas constituyen del 8 al 10% de los tumores intracraneales. Su asiento principal es la rama vestibular del VIII nervio craneal, siendo los trigeminales de escasa frecuencia. Presentamos el caso de una paciente admitida en el Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez" de la ciudad de México con una masa en la fosa infratemporal con extensión importante a estructuras vecinas. Los schwannomas con extensión a la fosa infratemporal son raros. Revisamos la anatomía de la fosa infratemporal, los accesos quirúrgicos hacia dicha región, analizamos la serie de casos junto al nuestro y proponemos una modalidad quirúrgica distinta. Schwannomas reach 8 to 10% of all intracranial tumors. Most originate at the vestibular root of VIII cranial nerve, but trigeminal tumors are infrequent. We present the case of a patient admitted at the National Institute of Neurology and Neurosurgery "Manuel Velasco Suárez" (Mexico City) with a mass occupying the infratemporal fossa with involvement of nearby structures. Schwannomas with extension to the infratemporal fossa are rare. We review the anatomy of this region, the surgical approaches, which have been used and propose a different approach.
Extra-Abdominal Fibromatosis (Desmoid Tumor): A Rare Tumor of the Lower Extremity Arising from the Popliteal Fossa
Mehmet Ali Kaygin,Ozgur Dag,Bilgehan Erkut,Azman Ates,Refik Cetin Kayaoglu,Hakan Kadioglu
Case Reports in Vascular Medicine , 2011, DOI: 10.1155/2011/184906
Abstract: Aggressive fibromatosis is a rare soft tissue tumor. Although it lacks metastatic potential, it can grow aggressively in a locally infiltrating pattern. The tumors frequently recur after surgical excision, which remains the treatment of choice. Optional combinations of radiotherapy and/or chemotherapy have been used postoperatively for recurrent disease and/or inoperable cases. A palpable mass was detected in the popliteal fossa of the right lower extremity in a 48-year-old man. Magnetic resonance imaging showed a contrast-enhancing noncalcified lesion initially felt to represent a vascular tumor. An invasive mass adherent to the surrounding tissue was visualized intraoperatively and extensively debulked. The patient's postoperative course was uneventful. Histologic examination of the surgical specimen was consistent with an extra-abdominal desmoid tumor. After appropriate recognition, wide local excision may be the most appropriate treatment for fibromatosis of the extremity. However, the rarity of this tumor and the difficulty inherent in distinguishing it from similar-appearing tumors are necessitating histologic confirmation of the diagnosis.
Mesenteric Fibromatosis Presenting as a Diagnostic Dilemma: A Rare Differential Diagnosis of Right Iliac Fossa Mass in an Eleven Year Old—A Rare Case Report  [PDF]
Abhinav Mahajan,Mohinder Singh,Anoop Varma,Gunjeet Singh Sandhu,Malwinder Singh,Rupesh Nagori
Case Reports in Surgery , 2013, DOI: 10.1155/2013/569578
Abstract: An eleven-year-old boy presented with a mass in the right iliac fossa for the last 21 days associated with pain, fever, anorexia, and nausea. The patient was thoroughly investigated and contrast-enhanced CT abdomen revealed a well-defined mass in the region of right iliac fossa. Exploratory laparotomy was done and a mass measuring 10?cm in diameter arising from mesentery of proximal ileum and adherent with the wall of ileum was seen. Resection and anastomosis were done. Histopathological examination showed mesenteric fibromatosis. Postoperatively, patient was well and 3-month followup showed normal recovery. 1. Introduction Mesenteric fibromatosis is a part of the clinical-pathologic spectrum of deep fibromatoses. The deep fibromatoses encompass a group of benign fibroproliferative processes that are locally aggressive and have the capacity to infiltrate or recur but not metastasize. The deep fibromatoses are classified by anatomic location because they may arise from intraabdominal sites (mesenteric, pelvic, and retroperitoneal fibromatosis), the deep soft tissues of the abdominal wall (abdominal fibromatosis), and deep within extraabdominal soft tissues (extraabdominal fibromatosis) [1]. The small bowel mesentery is the most common site of origin of intraabdominal fibromatosis. Consequently, the terms mesenteric fibromatosis or mesenteric desmoid tumor are most often applied to this entity [2]. Mesenteric fibromatosis occurs in a wide age range of patients, 14–75 years of age (mean, 41 years), and has no gender or race predilection [2]. In contrast, abdominal fibromatosis occurs most commonly in young women, 20–30 years of age [3]. Most cases of mesenteric fibromatosis manifest sporadically. Thirteen percent of patients with mesenteric fibromatosis have familial adenomatous polyposis (FAP), specifically, the Gardner syndrome variant of FAP [2, 4]. Prior abdominal surgery is an important risk factor for the development of mesenteric fibromatosis in patients with FAP. Eighty-three percent of patients with FAP and mesenteric fibromatosis have a history of abdominal surgery, most commonly a total colectomy [4]. The presenting clinical signs and symptoms of mesenteric fibromatosis are often related to the small bowel. Patients may complain of abdominal pain or a palpable abdominal mass or come to clinical attention because of complications such as gastrointestinal bleeding, small bowel obstruction, fistula formation, or bowel perforation [2, 5]. 2. Case Report A 11-year-old boy was admitted to paediatric ward with complaint of fever one month earlier.
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